title: The use of contrast echocardiography in the diagnosis of an unusual cause of congestive heart failure: achalasia.
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D001905:Botulinum Toxins / Q000627:therapeutic use; D003251:Constriction, Pathologic / Q000209:etiology; D003287:Contrast Media / Q000008:administration & dosage; D003937:Diagnosis, Differential; D004452:Echocardiography / Q000379:methods*; D004931:Esophageal Achalasia / Q000150:complications* / Q000000981:diagnostic imaging* / Q000628:therapy; D004943:Esophagogastric Junction / Q000000981:diagnostic imaging / Q000503:physiopathology; D005260:Female; D005466:Fluorocarbons; D006333:Heart Failure / Q000000981:diagnostic imaging* / Q000209:etiology*; D006801:Humans; D008863:Microspheres; D014057:Tomography, X-Ray Computed
chemical_list: D003287:Contrast Media; D005466:Fluorocarbons; C042852:perflutren; D001905:Botulinum Toxins